I had the same question. The linked paper says they used gopher enclosures: > In 1982, an individual pocket gopher (Thomomys talpoides [Richardson]) from a ne

I had the same question. The linked paper says they used gopher enclosures: > In 1982, an individual pocket gopher (Thomomys talpoides [Richardson]) from a nearby clearcut was placed in a 1m2 enclosure around a single L. lepidus individual for 24 hours